Home Prefix Lookup131.143.139.0/24

131.143.139.0/24 - ASBTSLTD Business Teleports And Solutions Limited (AS211188)

IPv4ARINannouncedAS211188ASBTSLTD Business Teleports and Solutions Limited RPKI Valid

CIDR

131.143.139.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇬🇧 United Kingdom

City

London

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
131.143.139.0/24	AS211188 ASBTSLTD Business Teleports and Solutions Limited	Valid	ARIN	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
131.143.136.0/22	AS19318 IS-AS-1 - Interserver, Inc	No ROA	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
131.143.139.0/24	AS211188	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS211188	ARIN	MNT-HL-739	2026-04-17
AS19318	ARIN	MNT-HL-739	2025-12-09

Origin ASN

AS211188

ASBTSLTD Business Teleports and Solutions Limited

Related Prefixes

Covering prefix

131.143.136.0/22AS19318

Geolocation

Country🇬🇧United KingdomGB

RegionEngland

CityLondon

Coordinates51.5072, -0.1276 ↗

Abuse Contact

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the ARIN regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/131.143.139.0/24

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/131.143.139.0/24" | jq

External Links

RIPEstat